Mixer



FIG. 1 is a perspective view of a mixer;

FIG. 2 is a left side elevation view of the mixer;

FIG. 3 is a rear elevation view of the mixer;

FIG. 4 is a right side elevation view of the mixer;

FIG. 5 is a front elevation view of the mixer;

FIG. 6 is a top plan view of the mixer, and,

FIG. 7 is a bottom plan view of the mixer.

Broken lines shown in the drawing views are included for illustrative purposes only, and form no part of the claimed design. 

CLAIM We claim the ornamental design for a mixer, as shown and described. 